Crystalline polymorphic forms of zopiclone, processes for their preparation and their pharmaceutical compositions

Details for Australian Patent Application No. 2008346110 (hide)

Owner Cipla Ltd.

Inventors Rao, Dharmaraj Ramchandra; Saroj, Sunilkumar; Ghaghare, Maruti Ganpati; Kankan, Rajendra Narayanrao

Agent FB Rice

Pub. Number AU-A-2008346110

PCT Pub. Number WO2009/087667

Priority 2423/MUM/2007 11.12.07 IN

Filing date 10 December 2008

Wipo publication date 16 July 2009

International Classifications

A61K 31/4985 (2006.01) - Pyrazines or piperazines ortho- or peri-condensed with heterocyclic ring systems

A61P 25/00 (2006.01) Drugs for disorders of the nervous system

C07D 487/04 (2006.01) Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups

Event Publications

3 December 2009 PCT application entered the National Phase

  PCT publication WO2009/087667 Priority application(s): WO2009/087667

5 April 2012 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(a). A direction to request examination has been given for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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